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Date: Sat, 4 Jul 2015 17:11:26 +0200
From: Agnieszka Bielec <bielecagnieszka8@...il.com>
To: john-dev@...ts.openwall.com
Subject: Re: PHC: Lyra2 on GPU

2015-07-04 11:56 GMT+02:00 Solar Designer <solar@...nwall.com>:
> On Sat, Jul 04, 2015 at 02:04:26AM +0200, Agnieszka Bielec wrote:
>> I received results:
>>
>> [a@...er run]$ ./john --test --format=lyra2-opencl --dev=5
>> Benchmarking: Lyra2-opencl, Lyra2 [Lyra2 Sponge OpenCL (inefficient,
>> development use only)]... Device 5: GeForce GTX TITAN
>> Local worksize (LWS) 64, global worksize (GWS) 2048
>> DONE
>> Speed for cost 1 (t) of 8, cost 2 (m) of 8, cost 3 (c) of 256, cost 4 (p) of 2
>> Raw:    6023 c/s real, 5965 c/s virtual
>
> GWS=2688 might work better for this one.

nope

[a@...er run]$ GWS=2688 ./john --test --format=lyra2-opencl --dev=5
Benchmarking: Lyra2-opencl, Lyra2 [Lyra2 Sponge OpenCL (inefficient,
development use only)]... Device 5: GeForce GTX TITAN
Local worksize (LWS) 64, global worksize (GWS) 2688
DONE
Speed for cost 1 (t) of 8, cost 2 (m) of 8, cost 3 (c) of 256, cost 4 (p) of 2
Raw:    5760 c/s real, 5760 c/s virtual

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